WASET
    B. G. Sampath and  K. C. R. Perera and  W. A. S. I. Wijesuriya and  V. P. C. Dassanayake,  Fuzzy Based Stabilizer Control System for Quad-Rotor.   journal   = {International Journal of Mechanical and Mechatronics Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 86(2). 441 - 447
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997603.